#![allow(dead_code, deprecated, unused_variables, unused_mut)]
#![feature(bigint_helper_methods)]
fn main() {
    assert_eq!(5i32.carrying_mul(- 2, 0), (4294967286, - 1));
    assert_eq!(5i32.carrying_mul(- 2, 10), (0, 0));
    assert_eq!(1_000_000_000i32.carrying_mul(- 10, 0), (2884901888, - 3));
    assert_eq!(1_000_000_000i32.carrying_mul(- 10, 10), (2884901898, - 3));
    assert_eq!(
        i8::MAX.carrying_mul(i8::MAX, i8::MAX), (i8::MAX.unsigned_abs() + 1, i8::MAX / 2)
    );
}